Thermally Tunable All-Fiber Filter Based on Two Series Connected Sagnac Interferometers With Different Loop Lengths

被引：6

作者：

Varguez-Flores, Alberto ^{[1
]}

Beltran-Perez, Georgina ^{[1
]}

Munoz-Aguirre, Severino ^{[1
]}

Castillo-Mixcoatl, Juan ^{[1
]}

机构：

[1] Univ Autonoma Puebla San Manuel, Fac Ciencias Fis Matemat Benemerita, Puebla 72570, Mexico

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2009年 / 27卷 / 23期

关键词：

Birefringence; optical fiber filters; Sagnac interferometer; RING LASER;

D O I：

10.1109/JLT.2009.2027215

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the characterization of a thermally tunable fiber optic filter is presented. It consists of two Sagnac interferometers (SIs) connected in series. Each SI contains a high-birefringence fiber (HiBiFi) segment with different length in the loop, which generates a reduction in the bandwidth of the filter transmission peak. In a previous work, a filter composed by two SIs with equal HiBiFi segments connected in series was reported. An experimental bandwidth reduction of approximately 31%, compared with a filter composed by a single SI was obtained. Using the configuration proposed in the present work, a reduction of approximately 52% in the range of 1533 to 1586 nm and a sensitivity of -1.27 nm/degrees C was obtained.

引用

页码：5365 / 5369

页数：5

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